Buckling analysisandsmartcontrolofSLGSusingelasticallycoupledPVDF nanoplate basedonthenonlocalMindlinplatetheory

نویسندگانعلی قربانپور-رضا کلاه چی-حسین وثوق
نشریهPHYSICA B
تاریخ انتشار۲۰۱۲-۱۰-۰۱
نوع نشریهالکترونیکی
نمایه نشریهISI ,SCOPUS

چکیده مقاله

This studypresentsananalyticalapproachforbucklinganalysisandsmartcontrolofasinglelayer graphenesheet(SLGS)usingacoupledpolyvinylidenefluoride(PVDF)nanoplate.TheSLGSandPVDF nanoplateareconsideredtobecoupledbyanenclosingelasticmediumwhichissimulatedbythe Pasternakfoundation.ThePVDFnanoplateissubjectedtoanappliedvoltageinthethicknessdirection which operatesincontrolofcriticalloadoftheSLGS.InordertosatisfytheMaxwellequation,electric potentialdistributionisassumedasacombinationofahalf-cosineandlinearvariation.Theexact analysisisperformedforthecasewhenallfourendsaresimplysupportedandfreeelectricalboundary condition.AdoptingthenonlocalMindlinplatetheory,thegoverningequationsarederivedbasedon the energymethodandHamilton’sprinciple.Adetailedparametricstudyisconductedtoelucidatethe influencesofthesmallscalecoefficient,stiffnessoftheinternalelasticmedium,graphenelength,mode numberandexternalelectricvoltageonthebucklingsmartcontroloftheSLGS.Theresultsdepictthat the imposedexternalvoltageisaneffectivecontrollingparameterforbucklingoftheSLGS.Thisstudy might beusefulforthedesignandsmartcontrolofnano-devices.